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Understanding the Effect of Non-natural Fluid Environments on Enzyme Stability

Descrizione del progetto

Fare luce sull’instabilità degli enzimi nella biocatalisi industriale

Le proteine sono molecole grandi e complesse presenti in natura. Molte di esse sono enzimi che catalizzano reazioni (bio)chimiche utili e preziose. Il loro corretto funzionamento dipende fortemente dalla loro forma 3D e dalla loro stabilità, che è influenzata dall’ambiente locale. Nonostante la loro importanza cruciale per la biotecnologia, le conoscenze relative all’influenza dell’ambiente non naturale nei reattori sulla stabilità degli enzimi sono limitate. Il progetto FLUIZYME, finanziato dall’UE, condurrà un’indagine completa sulla stabilità degli enzimi in un nuovo apparato che imita le condizioni industriali e utilizza strumenti avanzati di caratterizzazione analitica per approfondire la nostra comprensione.

Obiettivo

Enzymes are the protein-based catalysts found throughout nature and are of immense scientific importance, and of great practical value in medicine, chemistry and biotechnology. In most practical applications (such as industrial biocatalysis), enzymes are exposed to non-natural conditions, resulting in a loss of stability. Our understanding of what leads to a loss in enzyme stability under these conditions is very poor and therefore the aim of this project is to obtain such understanding. Current studies on enzyme stability mostly measure thermodynamic stability, and in some more limited cases operational stability, after exposure to different conditions (such as different temperatures and pH values). However, they overlook the effect of mixing, exposure to high concentrations of reactant and product as well as to dynamic fluid-fluid interfaces, all of which are common in a most practical applications. This project aims to understand the effect on enzyme stability of exposure to such non-natural conditions, using designed experiments in novel apparatus (mimicking industrial conditions), complemented by a suite of analytical characterization tools. The result of such studies will firstly enable the re-design of suitable equipment for industrial biocatalysis, which is of increasing interest as an alternative catalytic method for the synthesis and production of a vast array of valuable products. Secondly, the knowledge gained will be of great importance for protein engineering, providing the basis for pre-screening of enzymes on the basis of stability. Finally, the results will also have implications for other areas of bioprocessing, including microbial fermentation for the extracellular to produce enzymes and cell culture to produce therapeutic proteins.

Campo scientifico (EuroSciVoc)

Parole chiave

Programma(i)

Argomento(i)

Meccanismo di finanziamento

ERC-ADG - Advanced Grant

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(si apre in una nuova finestra) ERC-2020-ADG

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Istituzione ospitante

DANMARKS TEKNISKE UNIVERSITET
Contributo netto dell'UE
€ 2 352 846,00
Indirizzo
ANKER ENGELUNDS VEJ 101
2800 Kongens Lyngby
Danimarca
Regione
Danmark Hovedstaden Københavns omegn
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
€ 2 352 846,00

Beneficiari (1)